STRUCTURE AND RADIOMETRIC AGE OF A MIOCENE ANDESITE FORMATION IN SOUTHERN KAMCHATKA

dc.contributor.author	Sheimovich V.S.
dc.contributor.author	Golovin D.I.
dc.date.accessioned	2021-01-13T07:46:23Z
dc.date.available	2021-01-13T07:46:23Z
dc.date.issued	1999
dc.identifier	https://elibrary.ru/item.asp?id=20939882
dc.identifier.citation	Volcanology & Seismology, 1999, , 3, 255-264
dc.identifier.uri	https://repository.geologyscience.ru/handle/123456789/22909
dc.description.abstract	The Miocene andesite formation of southern Kamchatka consists of the Stenovaya, Yuzhno-Bystraya, Akhomteni, Zavoikovo, and Yushino volcano-plutonic rock associations. Each of these associations consists of a volcanic and a hypabyssal complex of the same name, which were identified on the basis of petrographic, stratigraphic, and structural evidence. Most of the complexes are characterized by radiometric, usually K-Ar ages. The 36 K-Ar ages presented in this paper indicate that the volcanic rocks were emplaced mainly during a period of 14-18 million years (early Miocene to the beginning of middle Miocene). The hypabyssal rocks were intruded mainly in a period of 11-15 million years, during the middle Miocene, mostly at the middle-late Miocene boundary.
dc.subject	Miocene	en
dc.title	STRUCTURE AND RADIOMETRIC AGE OF A MIOCENE ANDESITE FORMATION IN SOUTHERN KAMCHATKA
dc.type	Статья
dc.subject.age	Cenozoic::Neogene::Miocene	en
dc.subject.age	Кайнозой::Неоген::Миоцен	ru

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